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PDF ATR2815 Data sheet ( Hoja de datos )
| Número de pieza | ATR2815 | |
| Descripción | (ATR28xxT Series) ADVANCED ANALOG HYBRID-HIGH RELIABILITY DC/DC CONVERTERS | |
| Fabricantes | IRF | |
| Logotipo |  |
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PD - 94551
ADVANCED ANALOG
HYBRID-HIGH RELIABILITY
DC/DC CONVERTERS
ATR28XXT SERIES
28V Input, Triple Output
Description
The ATR28XXT Series of DC/DC converters provide
30 watts of output power over the full military tempera-
ture range with no derating. These devices are pin
compatible with the Advanced Analog ATO series con-
verters but offer twice the maximum output power in a
lower profile package. A custom CMOS ASIC pulse
width modulator operating at a nominal switching fre-
quency of 550KHz combined with a unique magnetic
feedback reduces circuit complexity for enhanced reli-
ability. These converters provide 500 volt input to out-
put isolation and operate in highly efficient single for-
ward mode.
The advanced feedback design and high operating fre-
quency provide an extremely wide bandwidth control
loop with high gain and phase margin. This results in
fast dynamic line and load response as well as supe-
rior audio rejection. The control loop is compensated
to provide optimum performance over the full military
temperature range and over the 16 to 40 volt input
voltage range.
These converters are protected against both continu-
ous output short circuits and output overload. Either
load fault condition will result in operating in a low power
dissipation foldback mode. The converters will shut
down for approximately 15 milliseconds, then attempt
to restart. This cycle will continue indefinitely unless
the load fault is corrected. Recovery to normal opera-
tion is automatic upon removal of the load fault.
Manufactured in a facility full qualified to MIL-PRF-
38534, these converters are available in four screen-
ing grades to satisfy a wide range of requirements. The
CH grade is fully compliant to the requirements of MIL-
PRF-38534 for class H. The HB grade is processed
and screened to the class H requirement, but element
evaluation and Periodic Inspections (PI) are not re-
quired. Both grades are tested to meet the complete
group “A” test specification over the full military tem-
perature range without output power deration.
www.irf.com
ATR
Features
n 30 Watt Output Power
n Flexible Output Loading
n -55°C to +125°C Operation
n Pin Compatible with ATO
n 0.410” Maximum Height
n 16 to 40 VDC Input Range
n 500 Volt Input to Output Isolation
n High Audio Rejection
n MIL-STD-704 Compatible
n Load Fault Protection - Short Circuit and
Overload
n TTL level Compatible Synchronization
Two grades with more limited screening are also
available for use in less demanding applications.
Variations in electrical, mechanical and screen-
ing can be limited accomodated. Contact
Advanced Analog with specific requirements.
1
10/08/02
1 page  
1.000
ATR28XXT Case Outline
0.040 D X
0.26 L Pins
0.05
ATR28XXT Series
4 X 0.400
=1.600
1.95 2.360
2.700
M ax
0.410
M ax
Pin Designation
Pin No.
1
2
3
4
5
6
7
8
9
10
Designation
Positive Input
+5VDC Output
Output Return
Negative Dual Output
Positive Dual Output
N/C
Case Ground
Enable Input
Sync Input
Input Return
1.350
M ax
Part Numbering
ATR 28 15 T F / CH
Model
Input Voltage
28 = 28V Nominal
Screening
– , ES, HB, CH
Package Style
F = Flange
Output Voltage
12 = 5V,±12V:
15 = 5V,±12V:
Outputs
T = Triple
S = Single
D = Dual
www.irf.com
5
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet ATR2815.PDF ] | |
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